title: [Structural characteristics and spectroscopic profiles of xanthones from Polygala].
mesh_terms: D009682:Magnetic Resonance Spectroscopy; D031801:Polygala / Q000737:chemistry*; D013055:Spectrophotometry, Infrared; D013056:Spectrophotometry, Ultraviolet; D044004:Xanthones / Q000737:chemistry*
chemical_list: D044004:Xanthones